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FTNC30/70

China GB FTNC30/70 钽铌复合碳化物 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FTNC30/70 / FTNC30/70
Category Grade Standard Region/Area Standard Content
Metals FTNC30/70 GB/T 26061 China 钽铌复合碳化物

Chemical composition(mass fraction)(wt.%) of the FTNC30/70

Element Min Max Similar
Total Others 9.5000 9.9000 -
Ti - 0.0100 -
Ta 26.5000 29.5000 -
Si - 0.0100 -
Nb 61.0000 64.0000 -
Na - 0.0050 -
N - 0.0200 -
Mixed carbides - 0.1500 -
K - 0.0050 -
Fe - 0.1000 -
Ca - 0.0050 -
Al - 0.0050 -

Mechanical Properties of steel grade FTNC30/70

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
245 (≥) 198 (≥) 11 31 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade FTNC30/70

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
24 - -     0.32 -  
612 294 - 41.3 423   -  
852 - 42 31.2   231 113

Heat Treatment of steel grade FTNC30/70

Heat treated : 1846°C - 1265°C

Technological Curves of steel grade FTNC30/70

Cross Reference Table (Equivalent Grade) of FTNC30/70

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